Chant Information, software, and support for developing speech recognition applications.

CMU Sphinx An open source toolkit for speech recognition, which includes a recognizer library written in C; an adjustable, modifiable recognizer written in Java; language model tools; and acoustic model training tools.

CSLU Toolkit A suite of tools to enable exploration, learning, and research into speech and human-computer interaction. Includes facial animation.

Engineered Station Pakistani Electrical Engineer offers basic level of information for implementing speech enabled applications using TAPI, MAPI and WAPI. A starter site for students and beginners.

Free Subscription to Speech Technology Speech Technology Magazine is recognized worldwide as a source of information on speech technology solutions that are changing communications and technology needs of organizations worldwide.

Gamer's Voice Commands and Macros Shoot, a speech recognition program that emulates arbitrary keystrokes based on voice commands issued by the user. For controlling games. Win 98 and higher.

HTK3 - Hidden Markov Toolkit Development and distribution site for HTK3, a hidden markov toolkit designed for speech recognition. HTK3 is available for free download as C source. Used at hundreds of research sites world wide.

Institute for Language and Speech Processing Founded in Athens (Greece) in 1991 under the auspices of the General Secretariat of Research and Technology of the Ministry of Development. Language tools, Greek text to speech, language processing.

Intercom Program for Windows ESDi is a shareware program to allow one or more people at a time talk via PC. Designed to run on LANs. Free trial.

PC Command and Control e-Speaking offers desktop command and control speech recognition software compatible with and complementary to Windows XP and Windows 2000. A fully functional version can be downloaded for free containing over 100 built-in commands.

SCARF A Segmental Conditional Random Fields Speech-Recognition Tool Kit by Microsoft Research. It supports a broad spectrum of research into segmental features and detection-based speech recognition, and it is intended to support core academic research in this area.

Sensory Offers speech technologies on both hardware and software platforms for improving user interfaces in consumer electronics. Toolkits and SDKs are available for the each technology. Company product and support information is available.

Speak To Mail Software and hardware allowing for speech interaction with email software packages such as Outlook Express, Eudora, and Netscape Messenger.

Speech Filing System - Tools for Speech Research SFS provides a computing environment for conducting research into the nature of speech. It comprises free software tools; special file and data formats; subroutine libraries for I/O, signal processing and graphics; use and documentation standards; and special programming languages.

SRILM Stanford Research Institute Language Modeling toolkit is a collection of C++ libraries, executable programs, and helper scripts designed to allow both production of and experimentation with statistical language models for speech recognition and other applications. SRILM is freely available for noncommercial purposes.

Tazti A multi function speech recognition software for Windows 7, Vista and Windows XP based PC's that offers an API toolkit allowing a user to create keybinds, macros and various mashups to user created speech commands. Video game players can keybind game controls to speech commands. Desktop application users can keybind application controls to speech commands. Robots can be controlled via voice. Other features include voice search, voice bookmark control, dictation and itunes control by voice.

VDK VoIP Development Kit A software framework to create a wide variety of multimedia Voice Over IP applications. Tutorials and the demo version of the library are available online. VDK is offered by NetResults S.r.l. a spin off company from the University Of Pisa in Italy.